19753720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{70549}}^1$

素因数の和:70567

約数の個数: 32

約数和(自身を含む): 50796000

約数和(自身を除く): 31042280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 70549, 141098, 282196, 352745, 493843, 564392, 705490, 987686, 1410980, 1975372, 2469215, 2821960, 3950744, 4938430, 9876860, 19753720]

約数ペア:

[(1, 19753720), (2, 9876860), (4, 4938430), (5, 3950744), (7, 2821960), (8, 2469215), (10, 1975372), (14, 1410980), (20, 987686), (28, 705490), (35, 564392), (40, 493843), (56, 352745), (70, 282196), (140, 141098), (280, 70549)]